Dynamic frequency selection method applying mobile security concept

  • Authors:

  • Jooseok Kim;Kyungseok Kim

  • Affiliations:

  • School Electrical and Computer Eng., Chungbuk National Univ., Chungbuk, Korea;School Electrical and Computer Eng., Chungbuk National Univ., Chungbuk, Korea

  • Venue:
  • MIV'07 Proceedings of the 7th Conference on 7th WSEAS International Conference on Multimedia, Internet & Video Technologies - Volume 7
  • Year:
  • 2007

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Abstract

As a wireless technique advances, the frequency tapping danger grows bigger and the frequency security is required more. Dynamic frequency selection(DFS) technique has the strength in frequency security because it uses variable frequency. In this paper, we investigate DFS technique in IEEE 802.22 WRAN environment of Cognitive radio(CR) foundation for the security. To use frequency more efficiently, we propose some DFS techniques for variable bandwidth, limitation of candidate set and verify these through the result of the simulations.